Redirect to another page using Post method from Code behind

I want to implement a Payment service.I will create some values in code behind and then by using post method I have to post this values to Payment gateway and user must redirect to that page.

I can’t Use form action becuase I have to create some values and save some thing in db in code behind.

how can I implement this?
If I can post data to another page on my app and can submit that page programmically it maybe help me.

Thanks

Answers:

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Method 1

string url = "3rd Party Url";

StringBuilder postData = new StringBuilder();

postData.Append("first_name=" + HttpUtility.UrlEncode(txtFirstName.Text) + "&");
postData.Append("last_name=" + HttpUtility.UrlEncode(txtLastName.Text));

//ETC for all Form Elements

// Now to Send Data.
StreamWriter writer = null;

HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";                        
request.ContentLength = postData.ToString().Length;
try
{
    writer = new StreamWriter(request.GetRequestStream());
    writer.Write(postData.ToString());
}
finally
{
    if (writer != null)
        writer.Close();
}

Response.Redirect("NewPage");

Have a look at this Poster

• https://stackoverflow.com/questions/46582/response-redirect-with-post-instead-of-get

All methods was sourced from stackoverflow.com or stackexchange.com, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0